Hii please help i’ll give brainliest

In part i, the independent variable, the one that is intentionally manipulated, in part ii, the independent variable changes the dependent variable, the one you measure the response in, is the same for parts i and ii. for both parts of the lab, the dependent variable

How can you tell when x and y are not directly proportional?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?